GB/T 18814-2024 Active

This document specifies the design, manufacturing, and installation requirements for the following DC and AC electrical systems installed separately or in combination on boats: a) Ultra-low voltage DC electrical systems with a nominal voltage of 50 V or less; b) Single-phase AC electrical systems with a nominal voltage not exceeding 250 V. This document does not apply to the following: -- Power propulsion systems with a DC voltage not exceeding 1,500 V, a single-phase AC voltage not exceeding 1,000 V, and a three-phase AC voltage not exceeding 1,000 V, in accordance with ISO 16315; -- All wires that are part of the enclosure provided by the outboard engine manufacturer and do not exceed the enclosure's specifications; -- Three-phase AC devices with a nominal voltage not exceeding 500 V, in accordance with IEC 60092-5-07.